Understanding Mikvah and the Laws of Family Purity - Mikvah.org - Mivtza Taharas Hamishpacha

https://www.mikvah.org/article/understanding_mikvah_and_the_laws_of_family_purity_

There is no better Mitzvah in the world than to learn and put this into fruition because you will find that this is one of the most central things to achieve and do for you in the world.